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CVE-2025-30354— Bruno ignores Safe-Mode in Asserts expressions

Quick assessment

Affected
usebruno bruno
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Bruno是usebruno开源的一个用于探索和测试 Api 的开源 IDE。 Bruno 1.26.0及之前版本存在安全漏洞，该漏洞源于断言运行时可能导致沙箱设置被忽略。

AI Predicted 3.3 Difficulty: Moderate EPSS 0.37% · P29
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I. Basic Information for CVE-2025-30354

Vulnerability Information
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Vulnerability Title
Bruno ignores Safe-Mode in Asserts expressions
Source: CVE Program / CVE List V5
Vulnerability Description
Bruno is an open source IDE for exploring and testing APIs. A bug in the assertion runtime caused assert expressions to run in Developer Mode, even if Safe Mode was selected. The bug resulted in the sandbox settings to be ignored for the particular case where a single request is run/sent. This vulnerability's attack surface is limited strictly to scenarios where users import collections from untrusted or malicious sources. The exploit requires deliberate action from the user—specifically, downloading and opening an externally provided malicious Bruno collection. The vulnerability is fixed in 1.39.1.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
Source: CVE Program / CVE List V5
Vulnerability Type
过度许可的跨域白名单
Source: CVE Program / CVE List V5
Vulnerability Title
Bruno 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Bruno是usebruno开源的一个用于探索和测试 Api 的开源 IDE。 Bruno 1.26.0及之前版本存在安全漏洞，该漏洞源于断言运行时可能导致沙箱设置被忽略。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
usebruno bruno < 1.39.1 -

II. Public POCs for CVE-2025-30354

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III. Intelligence Information for CVE-2025-30354

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IV. Related Vulnerabilities

Same product: bruno
Same vendor: usebruno
Same weakness: CWE-942

V. Comments for CVE-2025-30354

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